Pure Earth Essentials Bamboo Interdental Brushes - Biodegradable Interdental Brush - Organic Handle with Soft Bristles for Deep Clean Between Teeth and Gums (6 Pieces, Size 1, 0.4mm, Orange) : Amazon.co.uk: Health
The Humble Co Bamboo Interdental Brush 0.40mm (8 pack) | Balance Wholefoods | Maghull, Liverpool
Humble Bamboo Interdental Brush 0.6mm pack of 8 | Holland & Barrett